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Degradation of glutathione S-conjugates by a carboxypeptidase in the plant vacuole.
FEBS Lett. 384, 31-34 (1996)
For plants, glutathione conjugation is a major pathway to detoxify organic xenobiotic. Glutathione S-conjugates (SG-conjugates) are formed in the cytosol, the in vitro transport over the tonoplast has been described and a final storage in the vacuole has been postulated. We show here that alachlor rapidly accumulates as GS-conjugates in the plant vacuole and that the first step of its degradation, the formation of the respective gamma-glutamylcysteinyl-S-conjugate, is catalyzed by a vacuolar carboxypeptidase, These results suggest the glutathione conjugate as a transport form but not a storage form of xenobiotic molecules.
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118
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Anmerkungen
Besondere Publikation
Auf Hompepage verbergern
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
detoxification; glutathione conjugate; xenobiotic; carboxypeptidase; vacuole; METABOLISM
Sprache
englisch
Veröffentlichungsjahr
1996
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0014-5793
e-ISSN
1873-3468
Zeitschrift
FEBS Letters
Quellenangaben
Band: 384,
Heft: 1,
Seiten: 31-34
Verlag
Elsevier
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Biochemical Plant Pathology (BIOP)
Abteilung Expositionskammern
Abteilung Expositionskammern
PubMed ID
8797797
WOS ID
WOS:A1996UF57300006
Scopus ID
0029876728
Erfassungsdatum
1996-12-31